Machine for centrifugally treating molten materials



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MAOHINBFOR GENTRIFUGALLY TREATING MOLTEN MATERIALS. No. 491,131;

Patented Feb. 7, 18-93.

UNITED S ATES PATENT OFFICE.

ORRIN PECK, OF CHICAGO, ILLINOIS, ASSIGNOR TO MELINDA PEOK, OF

SAME PLACE.

MACHINE FOR CENTRIFUGALLY TREATING MOLTEN MATERIALS.

SPECIFICATION forming part of Letters Patent No. 491,131, dated February'7, 1893.

Application filed May 24, 1890- Sez ial No. 353,070. (No model.)

To all whom it may concern:

Be it known that I, ORRIN B. PEOK, a citizen of the United States,residing at Chicago, Illinois, have invented certain new and use fulImprovements in Machinery or Plants for Centrifugally Treating MoltenMaterial, of which the following is a specification.

The object of my invention has more especial reference to those caseswhere two or more revoluble vessels are employed in series, or operatedin conjunction, and in which a part of the material is discharged fromone to another according to the specific gravity or density of itscomponent parts, each vessel in the series accumulating and retainingmaterial of lighter specific gravity than the one preceding it, and inwhich it is desirable that one of the vessels should be run a longertime than the other before becoming filled, and hence may be, or isrequired to be, used or operated successivelyin two or more serieswitl1- out stopping its rotation; and my invention consists in thefeatures, combinations and details of construction hereinafter describedand claimed.

In the drawings Figure 1 represents a side elevation, partly in section,of my improved machinery and plant; Fig. 2 represents a plan view of thesame on the line 2 of Fig. 1 looking in the direction of the arrow; Fig.3 represents a vertical section taken on the line 3 of Fig. 1, lookingin the direction of the arrow, and Fig. 4 represents a vertical sectiontaken on line 40f Fig. 2, looking in the direction of the arrow.

In the operation of a series of revoluble vessels in which the materialto be treated is introduced into one where its heaviest particles areaccumulated and retained by the action of centrifugal force, and itslighter particles discharged therefrom into another revoluble vessel andagain subjected to the action of centrifugal force, and so on through aseries of two or more 'revoluble vessels, each accumulating a portion ofthe material treatedin the order of its specific gravity,the lightestparticles being discharged at the last vessel in the series, it almostalways occurs that one vessel in the series becomes filled with itsproper material and ready to be emptied before the other becomes filled.

In order to finish filling the one not yet com pletely filled with itsproper material, it is necessary to introduce and treat more material init before emptying it, and to enable this to be done withoutloss of thematerials that should be collected and retained in the andcollect thematerial proper to be retained in it. As new material is againintroduced after the change the operation of separating and classifyingis continued until it may occur that the vessel that was beforepartially filled, or has been operated the greatest length of time, hasbecome wholly filled with a practically uniform quality or character ofmaterial, being that appropriate to be collectedin it, before the vessellast started has become filled and ready to be emptied, and theoperation of changing them quickly and supplying another vesselappropriate to operate with the partially filled one must be repeated.Ihave found it necessary to therefore devise means that will enable meto continue any particular vessel in operation while emptying another,and to change it while in operation to operate in conjunction withanother vessel.

In the accompanying drawingsI have illustrated a machine or plant inwhich I contemplate using four revoluble vessels, two suspended fromhollow shafts and intended to be operated in'a fixed location withreference to the other parts and two vessels mounted on the upper endsof vertical shafts suitably jour naled in a swinging arm or frame andmovable therewith in such a way that either of them may be swung aroundby its arm directly under either of the'suspended vessels, or may beswung farther around out of the way. j

In constructing my machinery or plant as shown in the drawings,A Arepresent vessels either of which is intended and adapted to be swungaround under and be operated in conjunction with either of the vesselsBB fixed in their location with reference to the other parts. The vesselsB B are suspended on the revoluble shaftsO Owhich are located in a fixedposition so that thevessels B B always keep the same position orlocation with reference tothe other parts of the machinery. Thesevessels may be rotated by means of belts D D connecting with the engine,or with any other convenient motive power. They are suspended at suchheight above the floor or bottom plate of the machinery as may be deemedproper and desirable, and adapted to allow the vessels A A to be swungorpassed under them.

Equi-distant from the shafts C C are arranged columns or postsE E, onefor each of the vessels A, securely held, braced and supported, in thedesired position.

The arm or support F consisting of a suitable framework of sufficientsize and strength is pivoted on each of the columns or posts E E so thatit may be rotated or swung about it as a center or axis. This armthrough a suitable revoluble shaft a supports one of the revolublejournaled vessels A A, so that as it is moved or swung about the columnthe vessel will be carried with it. To furnish a motive power by whichsuch vessel may be rotated, and that will not be impaired or interferedwith by the movement of the arm, I prefer to locate on the arm anelectric motor G which receives its electricity from any propergenerator or dynamo through suitable conductors g. By thus locating themotor it will be swung or moved around with the arm F and through theshafta and pulley h and the belt h and the belt H, or other sufficientconnections, it will be able to revolve the shaft a and its appropriatevessel at the desired rate of speed.

To assist in supporting and rigidly holding or steadying the arm withits load, and also to provide means for moving it up so as to 1 bringits vessel into proper relation to the vessels B B when they are to beoperated in conjunction, the former first having been swung in properposition immediately under the latter, and to again lower it whendesirable, I provide a jack I provided with a threaded leg so that theworm wheel J rotated by the worm shaft j may run it up or down carryingthe arm and its proper vessel with it. To further assist in holding thearm in place after its vessel is in position I employ the clutch K thatmay be operated in any convenient manner to engage with the end of thearm which, together with the rigidly secured collar or stop e on thepost E at the proper point above the arm, holds down against the upwardpressure of the jack, and in addition to preserving the arm from violentvibrations, also affords a rigid stop to prevent its being raised beyondthe proper point by the jack. Of course it will be understood that thejacks are located in the proper position to operate on the frame whenthe vessels A A are properly under the vessels B B. After the particularvessel B which is being operated has-become filled so that it is readyto be emptied, the vessel A may be lowered and swung from beneath itaround into position under the other vessel B, thus forming anotherseries. The vessel may then be again raised so that its mouth willdischarge into the vessel B.

It will be understood that during the oper ation of transferring thevessel from one to another no new material is to be introduced and thematerial already in the vessel will be held in place by the action ofcentrifugal force. No discharging of material can take place during thetransfer if no new material be introduced, and the change of one vesselto another is intended to be effected so quickly that the moltenmaterial contained in it will not be sufficiently cooled to impaircontinued effective operation.

In Fig. 2 of drawings the course of both of the vessels A A as they areswung around is indicated by the dotted lines bb, and the two points atwhich they cross are on a vertical line of location of the suspendedvessels B B directly under them. Thus it will be seen that either of thevessels A A will be carried around by the arms F and brought directlyunder either of the vessels B B, and also when desired they maybe swungclear around, or to the opposite side of the posts E E, out of the way,to be emptied. It will also be seen from an inspection of this figurethat if either of the vessels A A are properly under either of thevessels B B that one of the jacks is properly under the frame ready tolift it. It will further be understood that in the particu= lararrangement illustrated in the drawings and described above, thematerial to be treated is introduced through the hollow shaft of the,

suspended vessel, as more particularly shown in Fig. 3.

In the drawingsI have illustrated and contemplated the use of fourvessels, the two lower ones of which are suitably mounted and adapted tobe moved or swung around on axes in a circle; but it is obvious that aless or greater number of vessels may be arranged in one plant ormachine to be operated together, and that the upper or suspended vesselsinstead of the lower ones may be made movable.

In view of the modifications of arrangement that can obviously be made,and still embody my invention I do not desire to confine myself to theexact arrangement or construction shown, but propose to use theprinciples and ideas above explained, whether in the exact form shownand described or not.

What I regard as new, and desire to secure by Letters Patent is,

1. In machinery for centrifugally treating molten material, thecombination of two or more revoluble vessels in series through whichmolten material successivelypasses for treatment, and supports for atleast one of the revoluble vessels so constructed that it may be movedout of conjunction with the other without stopping its rotation,substantially as described.

2. In machinery for centrifugally treating molten material, thecombination of two or more revoluble vessels in series through whichmolten material successively passes for treatment, and supports for atleast one of the revoluble vessels so constructed that it may be movedout of conjunction with the other without stopping its rotation, andanother revoluble vessel into conjunction with which the movable vesselmay be brought to form a new series, substantially as described.

8. In machinery for centrifugally treating molten material, thecombination of two or more revoluble vessels in series through whichmolten material successively passes for treatment, and in which at leastone of the revoluble vessels is mounted on a swinging arm or frame bywhich it may be moved out of conjunction with the other without stoppingits Witnesses:

GEORGE S. PAYSON, SAMUEL E. HIBBEN.

